18QHTF21-9.984375-PD

Overview

The 18QHTF21-9.984375-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 9.984375 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down standby mode to reduce consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports low-power standby operation via power-down functionality
• Delivers standard LVCMOS output signals
• Utilizes a compact surface-mount package design

Applications

• General clock signal generation
• Embedded system timing references
• Consumer electronics circuitry

Procurement Notes

Verify the specific frequency suffix matches the required 9.984375 MHz specification. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout. Check for any specific operating temperature range requirements against the datasheet.

Selection Notes

Select this component when a precise 9.984375 MHz reference is needed with low voltage operation. Consider the small form factor for space-constrained designs. Evaluate the LVCMOS interface compatibility with downstream digital logic. Verify thermal performance within the specified operating temperature range.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent 1.8V operation and LVCMOS outputs. The 'PD' suffix indicates the inclusion of a power-down feature for energy management.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with matching 9.984375 MHz frequency and 1.8V LVCMOS specifications. Cross-reference pinout and dimensional tolerances before integration.